An Armenian by birth, he was abbot first of the Pharanite monastery and then on Mount Sinai and, when Blessed Anastasius was driven from the patriarchal throne, was, against his will, installed as Patriarch of Antioch. John Moschus writes about him in his 'Meadow', praising him highly. Gregory was particularly distinguished by an outstanding compassion, most especially towards sinners. He entered into rest in the Lord in 593